Portable sunshade



FIG. 1 is a perspective view of a portable sunshade embodying my new design;

FIG. 2 is a side elevational view of the portable sunshade shown in FIG. 1;

FIG. 3 is a front elevational view of the portable sunshade shown in FIG. 1;

FIG. 4 is a rear elevational view of the portable sunshade shown in FIG. 1; and,

FIG. 5 is a top plan view of the portable sunshade shown in FIG. 1.

The bottom surface of the portable sunshade is substantially plain and forms no part of the claimed design. 

The ornamental design for a portable sunshade, as shown and described. 